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tidy-html5/src/sprtf.c

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/* sprtf.c
* SPRTF - Log output utility - part of the HTML Tidy project
*
* Copyright (c) 1998-2017 Geoff R. McLane and HTACG
*
* See tidy.h for the copyright notice.
*/
#ifdef _MSC_VER
# pragma warning( disable : 4995 )
#endif
#include <stdio.h> /* fopen()... */
#include <string.h> /* strcpy */
#include <stdarg.h> /* va_start, va_end, ... */
#ifdef _MSC_VER
# include <WinSock2.h>
# include <sys/timeb.h>
# if (defined(UNICODE) || defined(_UNICODE))
# include <Strsafe.h>
# endif
#else /* !_MSC_VER */
# include <sys/time.h> /* gettimeoday(), struct timeval,... */
#endif /* _MSC_VER y/n */
#include <time.h>
#include <stdlib.h> /* for exit() in unix */
#include "sprtf.h"
#ifdef ENABLE_DEBUG_LOG
#ifdef _MSC_VER
# ifndef _CRT_SECURE_NO_DEPRECATE
# define _CRT_SECURE_NO_DEPRECATE
# endif /* #ifndef _CRT_SECURE_NO_DEPRECATE */
# pragma warning( disable:4996 )
#else
# define strcmpi strcasecmp
#endif
#ifndef MX_ONE_BUF
# define MX_ONE_BUF 1024
#endif
#ifndef MX_BUFFERS
# define MX_BUFFERS 1024
#endif
static char _s_strbufs[MX_ONE_BUF * MX_BUFFERS];
static int iNextBuf = 0;
char *GetNxtBuf()
{
iNextBuf++;
if(iNextBuf >= MX_BUFFERS)
iNextBuf = 0;
return &_s_strbufs[MX_ONE_BUF * iNextBuf];
}
#define MXIO 512
static char def_log[] = "temptidy.txt"; /* use local log */
static char logfile[264] = "\0";
static FILE * outfile = NULL;
static int addsystime = 0;
static int addsysdate = 0;
static int addstdout = 1;
static int addflush = 1;
static int add2screen = 0;
static int add2listview = 0;
static int append_to_log = 0;
#ifndef VFP
# define VFP(a) ( a && ( a != (FILE *)-1 ) )
#endif
int add_list_out( int val )
{
int i = add2listview;
add2listview = val;
return i;
}
int add_std_out( int val )
{
int i = addstdout;
addstdout = val;
return i;
}
int add_screen_out( int val )
{
int i = add2screen;
add2screen = val;
return i;
}
int add_sys_time( int val )
{
int i = addsystime;
addsystime = val;
return i;
}
int add_sys_date( int val )
{
int i = addsysdate;
addsysdate = val;
return i;
}
int add_append_log( int val )
{
int i = append_to_log;
append_to_log = val;
return i;
}
#ifdef _MSC_VER
static const char *mode = "wb"; /* in window sprtf looks after the line endings */
#else
static const char *mode = "w";
#endif
int open_log_file( void )
{
if (logfile[0] == 0)
strcpy(logfile,def_log);
if (append_to_log) {
#ifdef _MSC_VER
mode = "ab"; /* in window sprtf looks after the line endings */
#else
mode = "a";
#endif
}
outfile = fopen(logfile, mode);
if( outfile == 0 ) {
outfile = (FILE *)-1;
sprtf("ERROR: Failed to open log file [%s] ...\n", logfile);
/* exit(1); failed */
return 0; /* failed */
}
return 1; /* success */
}
void close_log_file( void )
{
if( VFP(outfile) ) {
fclose(outfile);
}
outfile = NULL;
}
char * get_log_file( void )
{
if (logfile[0] == 0)
strcpy(logfile,def_log);
if (outfile == (FILE *)-1) /* disable the log file */
return (char *)"none";
return logfile;
}
void set_log_file( char * nf, int open )
{
if (logfile[0] == 0)
strcpy(logfile,def_log);
if ( nf && *nf && strcmpi(nf,logfile) ) {
close_log_file(); /* remove any previous */
strcpy(logfile,nf); /* set new name */
if (strcmp(logfile,"none") == 0) { /* if equal 'none' */
outfile = (FILE *)-1; /* disable the log file */
} else if (open) {
open_log_file(); /* and open it ... anything previous written is 'lost' */
} else
outfile = 0; /* else set 0 to open on first write */
}
}
#ifdef _MSC_VER
int gettimeofday(struct timeval *tp, void *tzp)
{
#ifdef WIN32
struct _timeb timebuffer;
_ftime(&timebuffer);
tp->tv_sec = (long)timebuffer.time;
tp->tv_usec = timebuffer.millitm * 1000;
#else
tp->tv_sec = time(NULL);
tp->tv_usec = 0;
#endif
return 0;
}
#endif /* _MSC_VER */
void add_date_stg( char *ps, struct timeval *ptv )
{
time_t curtime;
struct tm * ptm;
curtime = (ptv->tv_sec & 0xffffffff);
ptm = localtime(&curtime);
if (ptm) {
strftime(EndBuf(ps),128,"%Y/%m/%d",ptm);
}
}
void add_time_stg( char *ps, struct timeval *ptv )
{
time_t curtime;
struct tm * ptm;
curtime = (ptv->tv_sec & 0xffffffff);
ptm = localtime(&curtime);
if (ptm) {
strftime(EndBuf(ps),128,"%H:%M:%S",ptm);
}
}
char *get_date_stg()
{
char *ps;
struct timeval tv;
gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
ps = GetNxtBuf();
*ps = 0;
add_date_stg( ps, &tv );
return ps;
}
char *get_time_stg()
{
char *ps;
struct timeval tv;
gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
ps = GetNxtBuf();
*ps = 0;
add_time_stg( ps, &tv );
return ps;
}
char *get_date_time_stg()
{
char *ps;
struct timeval tv;
gettimeofday( (struct timeval *)&tv, (struct timezone *)0 );
ps = GetNxtBuf();
*ps = 0;
add_date_stg( ps, &tv );
strcat(ps," ");
add_time_stg( ps, &tv );
return ps;
}
static void oi( char * psin )
{
int len, w;
char * ps = psin;
if (!ps)
return;
len = (int)strlen(ps);
if (len) {
if( outfile == 0 ) {
open_log_file();
}
if( VFP(outfile) ) {
char *tb;
if (addsysdate) {
tb = GetNxtBuf();
len = sprintf( tb, "%s - %s", get_date_time_stg(), ps );
ps = tb;
} else if( addsystime ) {
tb = GetNxtBuf();
len = sprintf( tb, "%s - %s", get_time_stg(), ps );
ps = tb;
}
w = (int)fwrite( ps, 1, len, outfile );
if( w != len ) {
fclose(outfile);
outfile = (FILE *)-1;
sprtf("WARNING: Failed write to log file [%s] ...\n", logfile);
exit(1);
} else if (addflush) {
fflush( outfile );
}
}
if( addstdout ) {
fwrite( ps, 1, len, stderr ); /* 20170917 - Switch to using 'stderr' in place of 'stdout' */
}
#ifdef ADD_LISTVIEW
if (add2listview) {
LVInsertItem(ps);
}
#endif /* ADD_LISTVIEW */
#ifdef ADD_SCREENOUT
if (add2screen) {
Add_String(ps); /* add string to screen list */
}
#endif /* #ifdef ADD_SCREENOUT */
}
}
#ifdef _MSC_VER
/* service to ensure line endings in windows only */
static void prt( char * ps )
{
static char _s_buf[1024];
char * pb = _s_buf;
size_t i, j, k;
char c, d;
i = strlen(ps);
k = 0;
d = 0;
if(i) {
k = 0;
d = 0;
for( j = 0; j < i; j++ ) {
c = ps[j];
if( c == 0x0d ) {
if( (j+1) < i ) {
if( ps[j+1] != 0x0a ) {
pb[k++] = c;
c = 0x0a;
}
} else {
pb[k++] = c;
c = 0x0a;
}
} else if( c == 0x0a ) {
if( d != 0x0d ) {
pb[k++] = 0x0d;
}
}
pb[k++] = c;
d = c;
if( k >= MXIO ) {
pb[k] = 0;
oi(pb);
k = 0;
}
} /* for length of string */
if( k ) {
pb[k] = 0;
oi( pb );
}
}
}
#endif /* #ifdef _MSC_VER */
int direct_out_it( char *cp )
{
#ifdef _MSC_VER
prt(cp);
#else
oi(cp);
#endif
return (int)strlen(cp);
}
/* STDAPI StringCchVPrintf( OUT LPTSTR pszDest,
* IN size_t cchDest, IN LPCTSTR pszFormat, IN va_list argList ); */
int MCDECL sprtf( const char *pf, ... )
{
static char _s_sprtfbuf[M_MAX_SPRTF+4];
char * pb = _s_sprtfbuf;
int i;
va_list arglist;
va_start(arglist, pf);
i = vsnprintf( pb, M_MAX_SPRTF, pf, arglist );
va_end(arglist);
#ifdef _MSC_VER
prt(pb); /* ensure CR/LF */
#else
oi(pb);
#endif
return i;
}
#ifdef UNICODE
/* WIDE VARIETY */
static void wprt( PTSTR ps )
{
static char _s_woibuf[1024];
char * cp = _s_woibuf;
int len = (int)lstrlen(ps);
if(len) {
int ret = WideCharToMultiByte( CP_ACP, /* UINT CodePage, // code page */
0, /* DWORD dwFlags, // performance and mapping flags */
ps, /* LPCWSTR lpWideCharStr, // wide-character string */
len, /* int cchWideChar, // number of chars in string. */
cp, /* LPSTR lpMultiByteStr, // buffer for new string */
1024, /* int cbMultiByte, // size of buffer */
NULL, /* LPCSTR lpDefaultChar, // default for unmappable chars */
NULL ); /* LPBOOL lpUsedDefaultChar // set when default char used */
/* oi(cp); */
prt(cp);
}
}
int MCDECL wsprtf( PTSTR pf, ... )
{
static WCHAR _s_sprtfwbuf[1024];
PWSTR pb = _s_sprtfwbuf;
int i = 1;
va_list arglist;
va_start(arglist, pf);
*pb = 0;
StringCchVPrintf(pb,1024,pf,arglist);
va_end(arglist);
wprt(pb);
return i;
}
#endif /* #ifdef UNICODE */
#endif /* #ifdef ENABLE_DEBUG_LOG */
/* eof - sprtf.c */
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